gst/gsttracerutils.h

   1 /* GStreamer
   2  * Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
   3  *
   4  * gsttracerutils.h: tracing subsystem
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22
  23 #ifndef __GST_TRACER_UTILS_H__
  24 #define __GST_TRACER_UTILS_H__
  25
  26 #include <glib.h>
  27 #include <glib-object.h>
  28 #include <gst/gstconfig.h>
  29 #include <gst/gstbin.h>
  30 #include <gst/gstutils.h>
  31
  32 G_BEGIN_DECLS
  33
  34 #ifndef GST_DISABLE_GST_TRACER_HOOKS
  35
  36 /* tracing hooks */
  37
  38 void _priv_gst_tracing_init (void);
  39 void _priv_gst_tracing_deinit (void);
  40
  41 /* tracer quarks */
  42
  43 /* These enums need to match the number and order
  44  * of strings declared in _quark_table, in gsttracerutils.c */
  45 typedef enum /*< skip >*/
  46 {
  47   GST_TRACER_QUARK_HOOK_PAD_PUSH_PRE = 0,
  48   GST_TRACER_QUARK_HOOK_PAD_PUSH_POST,
  49   GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_PRE,
  50   GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_POST,
  51   GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_PRE,
  52   GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_POST,
  53   GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_PRE ,
  54   GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_POST,
  55   GST_TRACER_QUARK_HOOK_PAD_QUERY_PRE ,
  56   GST_TRACER_QUARK_HOOK_PAD_QUERY_POST,
  57   GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_PRE,
  58   GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_POST,
  59   GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_PRE,
  60   GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_POST,
  61   GST_TRACER_QUARK_HOOK_ELEMENT_NEW,
  62   GST_TRACER_QUARK_HOOK_ELEMENT_ADD_PAD,
  63   GST_TRACER_QUARK_HOOK_ELEMENT_REMOVE_PAD,
  64   GST_TRACER_QUARK_HOOK_BIN_ADD_PRE,
  65   GST_TRACER_QUARK_HOOK_BIN_ADD_POST,
  66   GST_TRACER_QUARK_HOOK_BIN_REMOVE_PRE,
  67   GST_TRACER_QUARK_HOOK_BIN_REMOVE_POST,
  68   GST_TRACER_QUARK_HOOK_PAD_LINK_PRE,
  69   GST_TRACER_QUARK_HOOK_PAD_LINK_POST,
  70   GST_TRACER_QUARK_HOOK_PAD_UNLINK_PRE,
  71   GST_TRACER_QUARK_HOOK_PAD_UNLINK_POST,
  72   GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_PRE,
  73   GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_POST,
  74   GST_TRACER_QUARK_HOOK_MINI_OBJECT_CREATED,
  75   GST_TRACER_QUARK_HOOK_MINI_OBJECT_DESTROYED,
  76   GST_TRACER_QUARK_HOOK_OBJECT_CREATED,
  77   GST_TRACER_QUARK_HOOK_OBJECT_DESTROYED,
  78   GST_TRACER_QUARK_HOOK_MINI_OBJECT_REFFED,
  79   GST_TRACER_QUARK_HOOK_MINI_OBJECT_UNREFFED,
  80   GST_TRACER_QUARK_HOOK_OBJECT_REFFED,
  81   GST_TRACER_QUARK_HOOK_OBJECT_UNREFFED,
  82   GST_TRACER_QUARK_MAX
  83 } GstTracerQuarkId;
  84
  85 extern GQuark _priv_gst_tracer_quark_table[GST_TRACER_QUARK_MAX];
  86
  87 #define GST_TRACER_QUARK(q) _priv_gst_tracer_quark_table[GST_TRACER_QUARK_##q]
  88
  89 /* tracing module helpers */
  90
  91 typedef struct {
  92   GObject *tracer;
  93   GCallback func;
  94 } GstTracerHook;
  95
  96 extern gboolean _priv_tracer_enabled;
  97 /* key are hook-id quarks, values are GstTracerHook */
  98 extern GHashTable *_priv_tracers;
  99
 100 #define GST_TRACER_IS_ENABLED (_priv_tracer_enabled)
 101
 102 #define GST_TRACER_TS \
 103   GST_CLOCK_DIFF (_priv_gst_start_time, gst_util_get_timestamp ())
 104
 105 /* tracing hooks */
 106
 107 #define GST_TRACER_ARGS h->tracer, ts
 108 #define GST_TRACER_DISPATCH(key,type,args) G_STMT_START{ \
 109   if (GST_TRACER_IS_ENABLED) {                                         \
 110     GstClockTime ts = GST_TRACER_TS;                                   \
 111     GList *__l, *__n;                                                  \
 112     GstTracerHook *h;                                                  \
 113     __l = g_hash_table_lookup (_priv_tracers, GINT_TO_POINTER (key));  \
 114     for (__n = __l; __n; __n = g_list_next (__n)) {                    \
 115       h = (GstTracerHook *) __n->data;                                 \
 116       ((type)(h->func)) args;                                          \
 117     }                                                                  \
 118     __l = g_hash_table_lookup (_priv_tracers, NULL);                   \
 119     for (__n = __l; __n; __n = g_list_next (__n)) {                    \
 120       h = (GstTracerHook *) __n->data;                                 \
 121       ((type)(h->func)) args;                                          \
 122     }                                                                  \
 123   }                                                                    \
 124 }G_STMT_END
 125
 126 /**
 127  * GstTracerHookPadPushPre:
 128  * @self: the tracer instance
 129  * @ts: the current timestamp
 130  * @pad: the pad
 131  * @buffer: the buffer
 132  *
 133  * Pre-hook for gst_pad_push() named "pad-push-pre".
 134  */
 135 typedef void (*GstTracerHookPadPushPre) (GObject *self, GstClockTime ts,
 136     GstPad *pad, GstBuffer *buffer);
 137 #define GST_TRACER_PAD_PUSH_PRE(pad, buffer) G_STMT_START{ \
 138   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_PRE), \
 139     GstTracerHookPadPushPre, (GST_TRACER_ARGS, pad, buffer)); \
 140 }G_STMT_END
 141
 142 /**
 143  * GstTracerHookPadPushPost:
 144  * @self: the tracer instance
 145  * @ts: the current timestamp
 146  * @pad: the pad
 147  * @res: the result of gst_pad_push()
 148  *
 149  * Post-hook for gst_pad_push() named "pad-push-post".
 150  */
 151 typedef void (*GstTracerHookPadPushPost) (GObject * self, GstClockTime ts,
 152     GstPad *pad, GstFlowReturn res);
 153 #define GST_TRACER_PAD_PUSH_POST(pad, res) G_STMT_START{ \
 154   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_POST), \
 155     GstTracerHookPadPushPost, (GST_TRACER_ARGS, pad, res)); \
 156 }G_STMT_END
 157
 158 /**
 159  * GstTracerHookPadPushListPre:
 160  * @self: the tracer instance
 161  * @ts: the current timestamp
 162  * @pad: the pad
 163  * @list: the buffer-list
 164  *
 165  * Pre-hook for gst_pad_push_list() named "pad-push-list-pre".
 166  */
 167 typedef void (*GstTracerHookPadPushListPre) (GObject *self, GstClockTime ts,
 168     GstPad *pad, GstBufferList *list);
 169 #define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list) G_STMT_START{ \
 170   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_PRE), \
 171     GstTracerHookPadPushListPre, (GST_TRACER_ARGS, pad, list)); \
 172 }G_STMT_END
 173
 174 /**
 175  * GstTracerHookPadPushListPost:
 176  * @self: the tracer instance
 177  * @ts: the current timestamp
 178  * @pad: the pad
 179  * @res: the result of gst_pad_push_list()
 180  *
 181  * Post-hook for gst_pad_push_list() named "pad-push-list-post".
 182  */
 183 typedef void (*GstTracerHookPadPushListPost) (GObject *self, GstClockTime ts,
 184     GstPad *pad,
 185     GstFlowReturn res);
 186 #define GST_TRACER_PAD_PUSH_LIST_POST(pad, res) G_STMT_START{ \
 187   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_POST), \
 188     GstTracerHookPadPushListPost, (GST_TRACER_ARGS, pad, res)); \
 189 }G_STMT_END
 190
 191 /**
 192  * GstTracerHookPadPullRangePre:
 193  * @self: the tracer instance
 194  * @ts: the current timestamp
 195  * @pad: the pad
 196  * @offset: the stream offset
 197  * @size: the requested size
 198  *
 199  * Pre-hook for gst_pad_pull_range() named "pad-pull-range-pre".
 200  */
 201 typedef void (*GstTracerHookPadPullRangePre) (GObject *self, GstClockTime ts,
 202     GstPad *pad, guint64 offset, guint size);
 203 #define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size) G_STMT_START{ \
 204   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_PRE), \
 205     GstTracerHookPadPullRangePre, (GST_TRACER_ARGS, pad, offset, size)); \
 206 }G_STMT_END
 207
 208 /**
 209  * GstTracerHookPadPullRangePost:
 210  * @self: the tracer instance
 211  * @ts: the current timestamp
 212  * @pad: the pad
 213  * @buffer: the buffer
 214  * @res: the result of gst_pad_pull_range()
 215  *
 216  * Post-hook for gst_pad_pull_range() named "pad-pull-range-post".
 217  */
 218 typedef void (*GstTracerHookPadPullRangePost) (GObject *self, GstClockTime ts,
 219     GstPad *pad, GstBuffer *buffer, GstFlowReturn res);
 220 #define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res) G_STMT_START{ \
 221   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_POST), \
 222     GstTracerHookPadPullRangePost, (GST_TRACER_ARGS, pad, buffer, res)); \
 223 }G_STMT_END
 224
 225 /**
 226  * GstTracerHookPadPushEventPre:
 227  * @self: the tracer instance
 228  * @ts: the current timestamp
 229  * @pad: the pad
 230  * @event: the event
 231  *
 232  * Pre-hook for gst_pad_push_event() named "pad-push-event-pre".
 233  */
 234 typedef void (*GstTracerHookPadPushEventPre) (GObject *self, GstClockTime ts,
 235     GstPad *pad, GstEvent *event);
 236 #define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event) G_STMT_START{ \
 237   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_PRE), \
 238     GstTracerHookPadPushEventPre, (GST_TRACER_ARGS, pad, event)); \
 239 }G_STMT_END
 240
 241 /**
 242  * GstTracerHookPadPushEventPost:
 243  * @self: the tracer instance
 244  * @ts: the current timestamp
 245  * @pad: the pad
 246  * @res: the result of gst_pad_push_event()
 247  *
 248  * Post-hook for gst_pad_push_event() named "pad-push-event-post".
 249  */
 250 typedef void (*GstTracerHookPadPushEventPost) (GObject *self, GstClockTime ts,
 251     GstPad *pad, gboolean res);
 252 #define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res) G_STMT_START{ \
 253   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_POST), \
 254     GstTracerHookPadPushEventPost, (GST_TRACER_ARGS, pad, res)); \
 255 }G_STMT_END
 256
 257 /**
 258  * GstTracerHookPadQueryPre:
 259  * @self: the tracer instance
 260  * @ts: the current timestamp
 261  * @pad: the pad
 262  * @query: the query
 263  *
 264  * Pre-hook for gst_pad_query() named "pad-query-pre".
 265  */
 266 typedef void (*GstTracerHookPadQueryPre) (GObject *self, GstClockTime ts,
 267     GstPad *pad, GstQuery *query);
 268 #define GST_TRACER_PAD_QUERY_PRE(pad, query) G_STMT_START{ \
 269   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_PRE), \
 270     GstTracerHookPadQueryPre, (GST_TRACER_ARGS, pad, query)); \
 271 }G_STMT_END
 272
 273 /**
 274  * GstTracerHookPadQueryPost:
 275  * @self: the tracer instance
 276  * @ts: the current timestamp
 277  * @pad: the pad
 278  * @query: the query
 279  * @res: the result of gst_pad_query()
 280  *
 281  * Post-hook for gst_pad_query() named "pad-query-post".
 282  */
 283 typedef void (*GstTracerHookPadQueryPost) (GObject *self, GstClockTime ts,
 284     GstPad *pad, GstQuery *query, gboolean res);
 285 #define GST_TRACER_PAD_QUERY_POST(pad, query, res) G_STMT_START{ \
 286   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_POST), \
 287     GstTracerHookPadQueryPost, (GST_TRACER_ARGS, pad, query, res)); \
 288 }G_STMT_END
 289
 290 /**
 291  * GstTracerHookElementPostMessagePre:
 292  * @self: the tracer instance
 293  * @ts: the current timestamp
 294  * @element: the element
 295  * @message: the message
 296  *
 297  * Pre-hook for gst_element_post_message() named "element-post-message-pre".
 298  */
 299 typedef void (*GstTracerHookElementPostMessagePre) (GObject *self,
 300     GstClockTime ts, GstElement *element, GstMessage *message);
 301 #define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message) G_STMT_START{ \
 302   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_PRE), \
 303     GstTracerHookElementPostMessagePre, (GST_TRACER_ARGS, element, message)); \
 304 }G_STMT_END
 305
 306 /**
 307  * GstTracerHookElementPostMessagePost:
 308  * @self: the tracer instance
 309  * @ts: the current timestamp
 310  * @element: the element
 311  * @res: the result of gst_element_post_message()
 312  *
 313  * Pre-hook for gst_element_post_message() named "element-post-message-post".
 314  */
 315 typedef void (*GstTracerHookElementPostMessagePost) (GObject *self,
 316     GstClockTime ts, GstElement *element, gboolean res);
 317 #define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res) G_STMT_START{ \
 318   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_POST), \
 319     GstTracerHookElementPostMessagePost, (GST_TRACER_ARGS, element, res)); \
 320 }G_STMT_END
 321
 322 /**
 323  * GstTracerHookElementQueryPre:
 324  * @self: the tracer instance
 325  * @ts: the current timestamp
 326  * @element: the element
 327  * @query: the query
 328  *
 329  * Pre-hook for gst_element_query() named "element-query-pre".
 330  */
 331 typedef void (*GstTracerHookElementQueryPre) (GObject *self, GstClockTime ts,
 332     GstElement *element, GstQuery *query);
 333 #define GST_TRACER_ELEMENT_QUERY_PRE(element, query) G_STMT_START{ \
 334   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_PRE), \
 335     GstTracerHookElementQueryPre, (GST_TRACER_ARGS, element, query)); \
 336 }G_STMT_END
 337
 338 /**
 339  * GstTracerHookElementQueryPost:
 340  * @self: the tracer instance
 341  * @ts: the current timestamp
 342  * @element: the element
 343  * @query: the query
 344  * @res: the result of gst_element_query()
 345  *
 346  * Post-hook for gst_element_query() named "element-query-post".
 347  */
 348 typedef void (*GstTracerHookElementQueryPost) (GObject *self, GstClockTime ts,
 349     GstElement *element, GstQuery *query, gboolean res);
 350 #define GST_TRACER_ELEMENT_QUERY_POST(element, query, res) G_STMT_START{ \
 351   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_POST), \
 352     GstTracerHookElementQueryPost, (GST_TRACER_ARGS, element, query, res)); \
 353 }G_STMT_END
 354
 355 /**
 356  * GstTracerHookElementNew:
 357  * @self: the tracer instance
 358  * @ts: the current timestamp
 359  * @element: the element
 360  *
 361  * Hook for gst_element_new() named "element-new".
 362  */
 363 typedef void (*GstTracerHookElementNew) (GObject *self, GstClockTime ts,
 364     GstElement *element);
 365 #define GST_TRACER_ELEMENT_NEW(element) G_STMT_START{ \
 366   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_NEW), \
 367     GstTracerHookElementNew, (GST_TRACER_ARGS, element)); \
 368 }G_STMT_END
 369
 370 /**
 371  * GstTracerHookElementAddPad:
 372  * @self: the tracer instance
 373  * @ts: the current timestamp
 374  * @element: the element
 375  * @pad: the pad
 376  *
 377  * Hook for gst_element_add_pad() named "element-add-pad".
 378  */
 379 typedef void (*GstTracerHookElementAddPad) (GObject *self, GstClockTime ts,
 380     GstElement *element, GstPad *pad);
 381 #define GST_TRACER_ELEMENT_ADD_PAD(element, pad) G_STMT_START{ \
 382   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_ADD_PAD), \
 383     GstTracerHookElementAddPad, (GST_TRACER_ARGS, element, pad)); \
 384 }G_STMT_END
 385
 386 /**
 387  * GstTracerHookElementRemovePad:
 388  * @self: the tracer instance
 389  * @ts: the current timestamp
 390  * @element: the element
 391  * @pad: the pad
 392  *
 393  * Hook for gst_element_remove_pad() named "element-remove-pad".
 394  */
 395 typedef void (*GstTracerHookElementRemovePad) (GObject *self, GstClockTime ts,
 396     GstElement *element, GstPad *pad);
 397 #define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad) G_STMT_START{ \
 398   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_REMOVE_PAD), \
 399     GstTracerHookElementRemovePad, (GST_TRACER_ARGS, element, pad)); \
 400 }G_STMT_END
 401
 402 /**
 403  * GstTracerHookElementChangeStatePre:
 404  * @self: the tracer instance
 405  * @ts: the current timestamp
 406  * @element: the element
 407  * @transition: the transition
 408  *
 409  * Pre-hook for gst_element_change_state() named "element-change-state-pre".
 410  */
 411 typedef void (*GstTracerHookElementChangeStatePre) (GObject *self,
 412     GstClockTime ts, GstElement *element, GstStateChange transition);
 413 #define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition) G_STMT_START{ \
 414   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_PRE), \
 415     GstTracerHookElementChangeStatePre, (GST_TRACER_ARGS, element, transition)); \
 416 }G_STMT_END
 417
 418 /**
 419  * GstTracerHookElementChangeStatePost:
 420  * @self: the tracer instance
 421  * @ts: the current timestamp
 422  * @element: the element
 423  * @transition: the transition
 424  * @result: the result of gst_pad_push()
 425  *
 426  * Post-hook for gst_element_change_state() named "element-change-state-post".
 427  */
 428 typedef void (*GstTracerHookElementChangeStatePost) (GObject *self,
 429     GstClockTime ts, GstElement *element, GstStateChange transition,
 430     GstStateChangeReturn result);
 431 #define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, result) G_STMT_START{ \
 432   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_POST), \
 433     GstTracerHookElementChangeStatePost, (GST_TRACER_ARGS, element, transition, result)); \
 434 }G_STMT_END
 435
 436 /**
 437  * GstTracerHookBinAddPre:
 438  * @self: the tracer instance
 439  * @ts: the current timestamp
 440  * @bin: the bin
 441  * @element: the element
 442  *
 443  * Pre-hook for gst_bin_add() named "bin-add-pre".
 444  */
 445 typedef void (*GstTracerHookBinAddPre) (GObject *self, GstClockTime ts,
 446     GstBin *bin, GstElement *element);
 447 #define GST_TRACER_BIN_ADD_PRE(bin, element) G_STMT_START{ \
 448   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_PRE), \
 449     GstTracerHookBinAddPre, (GST_TRACER_ARGS, bin, element)); \
 450 }G_STMT_END
 451
 452 /**
 453  * GstTracerHookBinAddPost:
 454  * @self: the tracer instance
 455  * @ts: the current timestamp
 456  * @bin: the bin
 457  * @element: the element
 458  * @result: the result of gst_bin_add()
 459  *
 460  * Post-hook for gst_bin_add() named "bin-add-post".
 461  */
 462 typedef void (*GstTracerHookBinAddPost) (GObject *self, GstClockTime ts,
 463     GstBin *bin, GstElement *element, gboolean result);
 464 #define GST_TRACER_BIN_ADD_POST(bin, element, result) G_STMT_START{ \
 465   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_POST), \
 466     GstTracerHookBinAddPost, (GST_TRACER_ARGS, bin, element, result)); \
 467 }G_STMT_END
 468
 469 /**
 470  * GstTracerHookBinRemovePre:
 471  * @self: the tracer instance
 472  * @ts: the current timestamp
 473  * @bin: the bin
 474  * @element: the element
 475  *
 476  * Pre-hook for gst_bin_remove() named "bin-remove-pre".
 477  */
 478 typedef void (*GstTracerHookBinRemovePre) (GObject *self, GstClockTime ts,
 479     GstBin *bin, GstElement *element);
 480 #define GST_TRACER_BIN_REMOVE_PRE(bin, element) G_STMT_START{ \
 481   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_PRE), \
 482     GstTracerHookBinRemovePre, (GST_TRACER_ARGS, bin, element)); \
 483 }G_STMT_END
 484
 485 /**
 486  * GstTracerHookBinRemovePost:
 487  * @self: the tracer instance
 488  * @ts: the current timestamp
 489  * @bin: the bin
 490  * @result: the result of gst_bin_remove()
 491  *
 492  * Post-hook for gst_bin_remove() named "bin-remove-post".
 493  */
 494 typedef void (*GstTracerHookBinRemovePost) (GObject *self, GstClockTime ts,
 495     GstBin *bin, gboolean result);
 496 #define GST_TRACER_BIN_REMOVE_POST(bin, result) G_STMT_START{ \
 497   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_POST), \
 498     GstTracerHookBinRemovePost, (GST_TRACER_ARGS, bin, result)); \
 499 }G_STMT_END
 500
 501 /**
 502  * GstTracerHookPadLinkPre:
 503  * @self: the tracer instance
 504  * @ts: the current timestamp
 505  * @srcpad: the srcpad
 506  * @sinkpad: the sinkpad
 507  *
 508  * Pre-hook for gst_pad_link() named "pad-link-pre".
 509  */
 510 typedef void (*GstTracerHookPadLinkPre) (GObject *self, GstClockTime ts,
 511     GstPad *srcpad, GstPad *sinkpad);
 512 #define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad) G_STMT_START{ \
 513   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_PRE), \
 514     GstTracerHookPadLinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
 515 }G_STMT_END
 516
 517 /**
 518  * GstTracerHookPadLinkPost:
 519  * @self: the tracer instance
 520  * @ts: the current timestamp
 521  * @srcpad: the srcpad
 522  * @sinkpad: the sinkpad
 523  * @result: the result of gst_pad_link()
 524  *
 525  * Post-hook for gst_pad_link() named "pad-link-post".
 526  */
 527 typedef void (*GstTracerHookPadLinkPost) (GObject *self, GstClockTime ts,
 528     GstPad *srcpad, GstPad *sinkpad, GstPadLinkReturn result);
 529 #define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
 530   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_POST), \
 531     GstTracerHookPadLinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
 532 }G_STMT_END
 533
 534 /**
 535  * GstTracerHookPadUnlinkPre:
 536  * @self: the tracer instance
 537  * @ts: the current timestamp
 538  * @srcpad: the srcpad
 539  * @sinkpad: the sinkpad
 540  *
 541  * Pre-hook for gst_pad_unlink() named "pad-unlink-pre".
 542  */
 543 typedef void (*GstTracerHookPadUnlinkPre) (GObject *self, GstClockTime ts,
 544     GstPad *srcpad, GstPad *sinkpad);
 545 #define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad) G_STMT_START{ \
 546   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_PRE), \
 547     GstTracerHookPadUnlinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
 548 }G_STMT_END
 549
 550 /**
 551  * GstTracerHookPadUnlinkPost:
 552  * @self: the tracer instance
 553  * @ts: the current timestamp
 554  * @srcpad: the srcpad
 555  * @sinkpad: the sinkpad
 556  * @result: the result of gst_pad_push()
 557  *
 558  * Post-hook for gst_pad_unlink() named "pad-unlink-post".
 559  */
 560 typedef void (*GstTracerHookPadUnlinkPost) (GObject *self, GstClockTime ts,
 561     GstPad *srcpad, GstPad *sinkpad, gboolean result);
 562 #define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
 563   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_POST), \
 564     GstTracerHookPadUnlinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
 565 }G_STMT_END
 566
 567 /**
 568  * GstTracerHookMiniObjectCreated:
 569  * @self: the tracer instance
 570  * @ts: the current timestamp
 571  * @object: the mini object being created
 572  *
 573  * Hook called when a #GstMiniObject is created named "mini-object-created".
 574  */
 575 typedef void (*GstTracerHookMiniObjectCreated) (GObject *self, GstClockTime ts,
 576     GstMiniObject *object);
 577 #define GST_TRACER_MINI_OBJECT_CREATED(object) G_STMT_START{ \
 578   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_CREATED), \
 579     GstTracerHookMiniObjectCreated, (GST_TRACER_ARGS, object)); \
 580 }G_STMT_END
 581
 582 /**
 583  * GstTracerHookMiniObjectDestroyed:
 584  * @self: the tracer instance
 585  * @ts: the current timestamp
 586  * @object: the mini object being destroyed
 587  *
 588  * Hook called when a #GstMiniObject is being destroyed named
 589  * "mini-object-destroyed".
 590  */
 591 typedef void (*GstTracerHookMiniObjectDestroyed) (GObject *self, GstClockTime ts,
 592     GstMiniObject *object);
 593 #define GST_TRACER_MINI_OBJECT_DESTROYED(object) G_STMT_START{ \
 594   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_DESTROYED), \
 595     GstTracerHookMiniObjectDestroyed, (GST_TRACER_ARGS, object)); \
 596 }G_STMT_END
 597
 598 /**
 599  * GstTracerHookObjectUnreffed:
 600  * @self: the tracer instance
 601  * @ts: the current timestamp
 602  * @object: the object being unreffed
 603  * @refcount: the new refcount after unrefing @object
 604  *
 605  * Hook called when a #GstObject is being unreffed named
 606  * "object-unreffed"
 607  */
 608 typedef void (*GstTracerHookObjectUnreffed) (GObject *self, GstClockTime ts,
 609     GstObject *object, gint new_refcount);
 610 #define GST_TRACER_OBJECT_UNREFFED(object, new_refcount) G_STMT_START{ \
 611   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_UNREFFED), \
 612     GstTracerHookObjectUnreffed, (GST_TRACER_ARGS, object, new_refcount)); \
 613 }G_STMT_END
 614
 615 /**
 616  * GstTracerHookObjectReffed:
 617  * @self: the tracer instance
 618  * @ts: the current timestamp
 619  * @object: the object being reffed
 620  * @refcount: the new refcount after refing @object
 621  *
 622  * Hook called when a #GstObject is being reffed named
 623  * "object-reffed".
 624  */
 625 typedef void (*GstTracerHookObjectReffed) (GObject *self, GstClockTime ts,
 626     GstObject *object, gint new_refcount);
 627 #define GST_TRACER_OBJECT_REFFED(object, new_refcount) G_STMT_START{ \
 628   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_REFFED), \
 629     GstTracerHookObjectReffed, (GST_TRACER_ARGS, object, new_refcount)); \
 630 }G_STMT_END
 631
 632 /**
 633  * GstTracerHookMiniObjectUnreffed:
 634  * @self: the tracer instance
 635  * @ts: the current timestamp
 636  * @object: the mini object being unreffed
 637  * @refcount: the new refcount after unrefing @object
 638  *
 639  * Hook called when a #GstMiniObject is being unreffed named
 640  * "mini-object-unreffed".
 641  */
 642 typedef void (*GstTracerHookMiniObjectUnreffed) (GObject *self, GstClockTime ts,
 643     GstMiniObject *object, gint new_refcount);
 644 #define GST_TRACER_MINI_OBJECT_UNREFFED(object, new_refcount) G_STMT_START{ \
 645   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_UNREFFED), \
 646     GstTracerHookMiniObjectUnreffed, (GST_TRACER_ARGS, object, new_refcount)); \
 647 }G_STMT_END
 648
 649 /**
 650  * GstTracerHookMiniObjectReffed:
 651  * @self: the tracer instance
 652  * @ts: the current timestamp
 653  * @object: the mini object being reffed
 654  * @refcount: the new refcount after refing @object
 655  *
 656  * Hook called when a #GstMiniObject is being reffed named
 657  * "mini-object-reffed".
 658  */
 659 typedef void (*GstTracerHookMiniObjectReffed) (GObject *self, GstClockTime ts,
 660     GstMiniObject *object, gint new_refcount);
 661 #define GST_TRACER_MINI_OBJECT_REFFED(object, new_refcount) G_STMT_START{ \
 662   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_REFFED), \
 663     GstTracerHookMiniObjectReffed, (GST_TRACER_ARGS, object, new_refcount)); \
 664 }G_STMT_END
 665
 666 /**
 667  * GstTracerHookObjectCreated:
 668  * @self: the tracer instance
 669  * @ts: the current timestamp
 670  * @object: the object being created
 671  *
 672  * Hook called when a #GstObject is created named "object-created".
 673  */
 674 typedef void (*GstTracerHookObjectCreated) (GObject *self, GstClockTime ts,
 675     GstObject *object);
 676 #define GST_TRACER_OBJECT_CREATED(object) G_STMT_START{ \
 677   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_CREATED), \
 678     GstTracerHookObjectCreated, (GST_TRACER_ARGS, object)); \
 679 }G_STMT_END
 680
 681 /**
 682  * GstTracerHookObjectDestroyed:
 683  * @self: the tracer instance
 684  * @ts: the current timestamp
 685  * @object: the object being destroyed
 686  *
 687  * Hook called when a #GstObject is being destroyed named
 688  * "object-destroyed".
 689  */
 690 typedef void (*GstTracerHookObjectDestroyed) (GObject *self, GstClockTime ts,
 691     GstObject *object);
 692 #define GST_TRACER_OBJECT_DESTROYED(object) G_STMT_START{ \
 693   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_DESTROYED), \
 694     GstTracerHookObjectDestroyed, (GST_TRACER_ARGS, object)); \
 695 }G_STMT_END
 696
 697
 698 #else /* !GST_DISABLE_GST_TRACER_HOOKS */
 699
 700 #define GST_TRACER_PAD_PUSH_PRE(pad, buffer)
 701 #define GST_TRACER_PAD_PUSH_POST(pad, res)
 702 #define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list)
 703 #define GST_TRACER_PAD_PUSH_LIST_POST(pad, res)
 704 #define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size)
 705 #define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res)
 706 #define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event)
 707 #define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res)
 708 #define GST_TRACER_PAD_QUERY_PRE(pad, query)
 709 #define GST_TRACER_PAD_QUERY_POST(pad, query, res)
 710 #define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message)
 711 #define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res)
 712 #define GST_TRACER_ELEMENT_QUERY_PRE(element, query)
 713 #define GST_TRACER_ELEMENT_QUERY_POST(element, query, res)
 714 #define GST_TRACER_ELEMENT_NEW(element)
 715 #define GST_TRACER_ELEMENT_ADD_PAD(element, pad)
 716 #define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad)
 717 #define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition)
 718 #define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, res)
 719 #define GST_TRACER_BIN_ADD_PRE(bin, element)
 720 #define GST_TRACER_BIN_ADD_POST(bin, element, res)
 721 #define GST_TRACER_BIN_REMOVE_PRE(bin, element)
 722 #define GST_TRACER_BIN_REMOVE_POST(bin, res)
 723 #define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad)
 724 #define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, res)
 725 #define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad)
 726 #define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, res)
 727 #define GST_TRACER_MINI_OBJECT_CREATED(object)
 728 #define GST_TRACER_MINI_OBJECT_DESTROYED(object)
 729 #define GST_TRACER_MINI_OBJECT_REFFED(object, new_refcount)
 730 #define GST_TRACER_MINI_OBJECT_UNREFFED(object, new_refcount)
 731 #define GST_TRACER_OBJECT_CREATED(object)
 732 #define GST_TRACER_OBJECT_DESTROYED(object)
 733 #define GST_TRACER_OBJECT_REFFED(object, new_refcount)
 734 #define GST_TRACER_OBJECT_UNREFFED(object, new_refcount)
 735
 736 #endif /* GST_DISABLE_GST_TRACER_HOOKS */
 737
 738 G_END_DECLS
 739
 740 #endif /* __GST_TRACER_UTILS_H__ */
 741